EnsureIsNullOrGreaterThanOrEqualToZero Method | 
| Name | Description | |
|---|---|---|
| IsNullOrGreaterThanOrEqualToZero(NullableInt32, String) | 
            Ensures that the value of a parameter is null or greater than or equal to zero.
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| IsNullOrGreaterThanOrEqualToZero(NullableInt64, String) | 
            Ensures that the value of a parameter is null or greater than or equal to zero.
              |